Add initial cut of model parser, fixes #8

[timkpaine]

No description provided.

[github-actions]

Test Results

9 tests  +1   9 ✅ +1   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 29ed5f9. ± Comparison against base commit 8460861.

[codecov]

Codecov Report

❌ Patch coverage is 95.50562% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.66%. Comparing base (8460861) to head (29ed5f9).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
hatch_build/cli.py	92.45%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #9      +/-   ##
==========================================
- Coverage   97.69%   96.66%   -1.03%     
==========================================
  Files           4        5       +1     
  Lines         130      210      +80     
  Branches        3       14      +11     
==========================================
+ Hits          127      203      +76     
- Misses          3        7       +4     

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